HERON'S FORMULA

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Across
  1. 4. Measure of every angle in angle in an equilateral triangle.
  2. 5. Sum of all sides divided by two.
  3. 6. Product of sides/surface covered.
  4. 8. Birthplace of Heron.
  5. 9. Great mathematician of 10 A.D
  6. 10. Comparison of two or more quantities.
Down
  1. 1. A triangle whose all three sides are equal.
  2. 2. Number of books written by Heron.
  3. 3. S.I unit of length.
  4. 5. A triangle with has all three sides different.
  5. 7. Old name for Trapezoids.
  6. 8. Two rays that have a common and initiate point.